Compatibility Atlas

SS 316L vs Monel 400for Chlorine (Cl₂)

Which valve material handles Chlorine (Cl₂) better — a side-by-side of compatibility ratings and the engineering reasons behind them.

Verdict

For Chlorine (Cl₂) valve service, Monel 400 is the better choice — rated Good versus Fair for SS 316L.

SS 316L

Fair

Wet chlorine - not recommended due to Cl-SCC. Dry service - acceptable.

All fluids SS 316L handles →

Monel 400

Good

Good for dry chlorine; not for wet.

All fluids Monel 400 handles →

Ratings and notes are drawn from the Chlorine (Cl₂) service guide. Confirm against concentration, temperature and velocity.

Related comparisons

SS 316L vs Duplex 2205 for SeawaterSS 316L vs Hastelloy C-276 for Sulphuric Acid (H₂SO₄)SS 316L vs PTFE-lined for Sulphuric Acid (H₂SO₄)SS 316L vs Hastelloy C-276 for Chlorine (Cl₂)
Reviewed by Materials Engineering, Vajra Industrial SolutionsDiscipline: Valve Metallurgy & Materials SelectionLast reviewed: 20 June 2026

Connected Engineering

Materials
A351 CF8M (SS316)Monel 400
Services
Chlorine
Tools
Material Compatibility

Specifying valves for Chlorine (Cl₂)?

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